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Does living in the South cause high blood pressure? Data from a group of 6278 whites and blacks questioned in the Third National Health and Nutritional Examination Survey between 1988 and 1994 (see CNN.com web site article of January 6, 2000, titled "High Blood Pressure Greater Risk in U.S. South, Study Says") indicates that a greater percentage of Southerners have high blood pressure than do people in any other region of the United States. This difference in rate of high blood pressure was found in every ethnic group, gender, and age category studied. List at least two possible reasons we cannot conclude that living in the South causes high blood pressure.
question use chebyshevs inequality to solve this problem. show your work. a machine used to fill cereal boxes dispenses
Write a statement that interprets the confidence interval. Based on the preceding result, should pollsters be concerned about results from surveys conducted by telephone?
a tour operator charges rs 136 per passenger for 100 passengers with a discount of rs 4 each for 10 passengers in
1 identify a journal article that used the binomial probability distribution. in 100 words summarize the study and its
Assume that if a women carries the gene for haemophilia, any child has a 50% chance of inheriting that gene, and that is always clear whether or not a son has inherited the gene,
The rate of neurotoxicity over the period of the trial is estimated to be about 40% in the placebo group, and the hypothesis is that this new agent lowers the toxicity rate by one-half, to 20%. Find the total sample size needed using a two-sided l..
Explain why x is (approximately) a binomial random variable. Use the rules of probability to determine the value of p for this binomial experiment
The areas under a standard normal curve also may be considered to be proba- bilities. Find probabilities associated with the area:- Above Z = 2.33 and Below Z = -2.58
A client has an out-of-control system and a recommendation has been made to hire an internal accountant.
The linear correlation coefficient, r, measures the strength of the linear relationship the variables in a set of ordered pairs (x,y). What is the maximum and minimum values for r?
a bridge hand consisting of 13 cards is selected at random from an ordinary deck of cards. let h d c and s be the
A textile manufacturer estimates that it produces bolts of cloth with flaws following a Poisson distribution that has an average of one flaw per 200 feet of cloth.
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